Difference: CadenceQuickReference (4 vs. 5)

Revision 52017-02-17 - EricBellm

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META TOPICPARENT	name="CadenceStudy"

Cadence Quick Reference

Cadence Quick Reference

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The footprint for the Galactic Plane Survey is the strip of fields within +/- 6 degrees of b=0 (and North of ~Dec -25 or so, TBD). Whenever a field in this footprint is up (e.g., above airmass 2 for > 1 hour), observe it every night, once in g and once in r separated by at least 40 minutes.

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The amount of Plane area satisfying this critereon ranges seasonally from about 1000 to about 2000 square degrees.

Weather and Observing Time

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The total observing time per night between 12 degree twilight and 12 degree dawn ranges from 7.6 - 12.2 hours per night (solstice to solstice).

With weather losses, the average total P48 observing time throughout the year is about 5.75 hours per night, with only modest seasonal variations--the longer winter nights are balanced by poorer weather.

Detailed weather data is available in the survey simulator; see here for a visualization. \ No newline at end of file

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